Hairbrush



FIG. 1 is a front elevational view of a hair-brush showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right end view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a front elevational view, wherein the hairbrush is folded;

FIG. 9 is a right end view thereof;

FIG. 10 is a left end view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a perspective view thereof. 

The ornamental design for a hairbrush, as shown and described. 